45 lines
813 B
JavaScript
45 lines
813 B
JavaScript
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//>>built
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define(["dijit","dojo","dojox"],function(_1,_2,_3){
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_2.provide("dojox.drawing.manager.Undo");
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_3.drawing.manager.Undo=_3.drawing.util.oo.declare(function(_4){
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this.keys=_4.keys;
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this.undostack=[];
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this.redostack=[];
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_2.connect(this.keys,"onKeyDown",this,"onKeyDown");
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},{onKeyDown:function(_5){
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if(!_5.cmmd){
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return;
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}
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if(_5.keyCode==90&&!_5.shift){
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this.undo();
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}else{
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if((_5.keyCode==90&&_5.shift)||_5.keyCode==89){
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this.redo();
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}
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}
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},add:function(_6){
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_6.args=_2.mixin({},_6.args);
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this.undostack.push(_6);
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},apply:function(_7,_8,_9){
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_2.hitch(_7,_8)(_9);
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},undo:function(){
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var o=this.undostack.pop();
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if(!o){
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return;
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}
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o.before();
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this.redostack.push(o);
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},redo:function(){
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var o=this.redostack.pop();
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if(!o){
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return;
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}
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if(o.after){
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o.after();
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}else{
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o.before();
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}
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this.undostack.push(o);
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}});
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});
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